--- nss-3.80.orig/nss/coreconf/nsinstall/Makefile
+++ nss-3.80/nss/coreconf/nsinstall/Makefile
@@ -32,6 +32,7 @@ endif
 
 ifdef NATIVE_FLAGS
 OS_CFLAGS=$(NATIVE_FLAGS)
+XCFLAGS = $(NATIVE_FLAGS)
 endif
 
 ifdef NATIVE_LDFLAGS
